Adam Savage Adam Savage and Numberphile's Matt Parker discuss math-love and Matt's latest book, Humble Pi Gareth Branwyn

brain teasers Can you figure out what number comes next? Carla Sinclair

video This Mondrian math puzzle yields puzzling scores Andrea James

video How a child math prodigy sees numbers as shapes Andrea James

physics Why swirling spheres shift rotation at a certain number Andrea James

math Fix your floppy pizza slice with Gaussian curvature Andrea James

toys Why this sliding tile puzzle arrangement is impossible Mark Frauenfelder

Games In this tic-tac-toe variant played with all X's, the loser is actually the winner David Pescovitz

recreational math 42 was the last remaining number below 100 which could not be expressed as the sum of three cubes – until now Mark Frauenfelder

recreational math A mathematician explores the cat-and-mouse problem Mark Frauenfelder

recreational math Three interesting infinite series Mark Frauenfelder

Kids Math theorem: the most misshapen ham sandwich can always be cut into two perfect halves Andrea James

Science Why does a crumpled paper balloon inflate when batted around? Andrea James

video Great video primer on the mathematics of auctions Andrea James

How to cut a cake fairly for three people David Pescovitz

video Trippy 3D-printed spheres that help conceptualize 4D Andrea James

video Numberphile looks at mathematics' undecidable statements Andrea James

Kids Mathematical conjecture generates beautiful lifelike form Andrea James

Gadgets The iPhone of slide rules David Pescovitz